Transaction not yet indexed

mNkc5sRBGpCFuGu8xWBg8tK15tAevtXbPaAEtzw35LnnNR9rAtebNePrLuSeQQbLL41dpRCyUTyqVTonUYUwNBC

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.